| 释义 |
blas·tu·la·s 英'blæstʃələ美'blæstʃələ
基本英英搭配近义反义例句Thesaurus
n.胞胚²⁰;囊胚⁸⁰原型blastula的复数形容词blastular名词blastulation名词复数blastulas
Noun:
early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage about eight days after fertilization implantation in the wall of the uterus occursroof of blastula囊胚盖bottom of blastula胆囊底, 囊胚底…blastula stage囊胚期,中胚期…
近义词 blastosphere囊胚
名词100%
用作名词The cells of theblastula, called blastomeres, also each receive a full diploid set of chromosomes.这些囊胚细胞，称卵裂球，每个细胞都有一套二倍体染色体组。
Cleavage produces ablastula, a sheet of cells rounded into a sphere that in most species surrounds a cavity.卵裂产生一个囊胚，形成的细胞壁球形排列形成一个空腔。as in.fetus
同义词 blastosphere,embryodeveloping infant,fertilized egg
fetusnoun unborn young
blastosphere,blastula,developing infant,embryo,fertilized egg |